Attribute: Create, Delete, Promote, Bind, From map, Overwrite - Houdini Attributes and VOPs ep. 6

[@Awaysofar0987654321]

this couldn't be better explained, thank you!

[@marc-andreplante6156]

it makes it very clear ! Thank You !

[@HoudinifxAlfredosanmartin]

thanks, I am studying these attributes, in this way it is very understandable.

[@graphic-nations]

Awesome i love the tutorial

[@sakibkhondaker]

Super helpful!!!!!!!!

[@mama_guru_official]

Super Awesome

[@warpcloud]

Thank you!!!

[@cinemareelsX60]

Can we create Normals or any other attribute using vex and why does the shading of my sphere changes just by adding normals? What if i want to add normals without affecting shading quality of my sphere?

[@AriseWorks]

Yes you can use vex to create attributes. If your sphere did not have N attribute before, then whatever you've seen previously was controlled by Display options (press D in the viewport) > Geometry > Normals > Cusp Angle (60 by default). Those are not real normals, those are just for viewport shading whenever you don't have N attribute. If you did have normals previously (imported geometry, or created some with normals), you don't need to write new normals if you are happy with what you see.

[@cinemareelsX60]

@@AriseWorks So basically it means having normals or not doesn't affect my render quality, its just a viewport thing?

[@AriseWorks]

Mantra usually presumes that no normals means 60 degree cusp angle, but it's not safe to not have normals for various reasons - normal maps and displacement to name a couple. Other render engines will just render messed up results, since they don't have those cusp angle assumptions. Always do have normals.

[@cinemareelsX60]

@@AriseWorks ok thanks i get it normals are for smoothing edge shading .

[@AriseWorks]

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